urinal UK /jʊəˈraɪnəl/US /ˈjʊɹɪnəl/noun 7adjective 1forms 1 noun7 •A device or fixture used for urination. •A device for urination worn or used by patients suffering urinary incontinence. •A plumbing fixture intended for standing urination, typically by men and boys. •(historical) A glass vial used for examining or storing urine. •(no longer used) A chamber pot specially designed or considered as a device for urination. •(no longer used) A room or structure used for urination: a latrine; an outhouse; a lavatory. •(no longer used) Any oblong glass vessel shaped like the old alchemist's urinal. adjective1 •Synonym of urinary.Q. What amount, in cubic feet, would there be in Port Huron for one year, of fecal and urinal discharge into the sewers? — 1903 formsurinals